Cisco WS-C3750X-48T-E-RF | Catalyst 3750-X Series C3750X-48T 48 x RJ-45 Ports 10/100/1000Base-T Layer 2 Managed Rack-mountable Stackable Gigabit Ethernet Network Switch

Here are the technical specs for the Cisco Catalyst 3750X-48T-E switch:

1. Ports: 48 x 10/100/1000 Ethernet ports
2. Switching capacity: 160 Gbps
3. Forwarding rate: 101.2 Mpps
4. VLANs: 4,094
5. MAC address table size: 12,000 entries
6. Jumbo frame support: up to 9,216 bytes
7. Power supply: 350WAC
8. Dimensions: 44.5 cm x 46 cm x 4.5 cm
9. Weight: 7.3 kg
10. Operating temperature: 0°C to 45°C
11. MTBF: 237,700 hours
12. Security features: ACLs, DHCP snooping, Dynamic ARP Inspection, IP Source Guard, Private VLANs

Helpful notes:
1. The Cisco Catalyst 3750X-48T-E switch is a refurbished model, meaning it has been previously used and restored to its original condition.
2. This switch is a Layer 3 managed switch, which means it can perform routing functions in addition to switching.
3. The switch is rack-mountable, making it easy to integrate into a data center or server room setup.